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(11)

EP 4 115 454 A1

(12)

(43) Date of publication: 11.01.2023 Bulletin 2023/02 (21) Application number: 21765311.2 (22) Date of filing: 05.03.2021

(51) International Patent Classification (IPC):  H01L 41/00(2013.01) B06B 1/06(2006.01) H02N 2/18(2006.01) (52) Cooperative Patent Classification (CPC): H01L 41/0536; H01L 41/18; B06B 1/0644; G01H 11/08; H02N 2/186 (86) International application number: PCT/AU2021/050198 (87) International publication number: WO 2021/174316 (10.09.2021 Gazette 2021/36)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.03.2020 AU 2020900680 (71) Applicant: The Commonwealth of Australia Edinburgh SA 5111 (AU)	(72) Inventors: MOSS, Scott Edinburgh, South Australia 5111 (AU) PAXEVANOS, Mason Edinburgh, South Australia 5111 (AU) (74) Representative: Slingsby Partners LLP  1 Kingsway London WC2B 6AN London WC2B 6AN (GB)